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Author Question: Which contraceptive methods prevent the meeting of egg and sperm by means of a physical and/or a ... (Read 28 times) |
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People with alcoholism are at a much greater risk of malnutrition than are other people and usually exhibit low levels of most vitamins (especially folic acid). This is because alcohol often takes the place of 50% of their daily intake of calories, with little nutritional value contained in it.
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The word drug comes from the Dutch word droog (meaning "dry"). For centuries, most drugs came from dried plants, hence the name.
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People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.
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There are more nerve cells in one human brain than there are stars in the Milky Way.
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Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.